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Derivative UltraPerfect Isosceles Right Triangled Square

Title: prt 18:180JD5of8 GHM

Order: 18

Horizontal side: 180 Vertical side: 180

Elements: 1√2, 2, 2√2, 3√2, 4√2, 6, 10√2, 20, 20√2, 30, 40, 40√2, 60, 80, 60√2, 70√2, 120, 90√2.

Code: 1205 0 60 904 90 90 706 110 110 203 110 90 305 110 80 104 100 80 46 106 86 63 106 80 32 109 83 10 109 83 20 108 82 21 110 82 204 120 60 803 140 0 402 180 40 605 0 0 604 60 0 403 180 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

120
90√2
70√2
20
30
10√2
4√2
6
3√2
1√2
2√2
2
20√2
80
40√2
60
60√2
40